0.9.0
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* Use new Celluloid::ZMQ APIs

0.8.0
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* Track calls in-flight with DCell::RPC and DCell::RPC::Manager
* Compatibility changes for Celluloid 0.8.0

0.7.1
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* Bump version to match Celluloid
* Factor 0MQ bindings into the celluloid-zmq gem
* Heartbeat system for detecting downed nodes

0.0.1
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* Initial release